Alert archive / Oklahoma / Mesoscale Discussions in 2004
Mesoscale Discussion 1955
The Storm Prediction Center issued this mesoscale discussion at Aug 11, 2004, 2:42 AM CDT for 5 counties in Kansas; 55 counties in Oklahoma; 21 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 11, 2004, 2:42 AM CDT (07:42 UTC)
- Expired
- Aug 11, 2004, 4:45 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 81 counties
Barber County, KS, Clark County, KS, Comanche County, KS, Harper County, KS, Kiowa County, KS, Alfalfa County, OK, Atoka County, OK, Beckham County, OK, Blaine County, OK, Bryan County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Creek County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Hughes County, OK, Jackson County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Major County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Roger Mills County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Tulsa County, OK, Washington County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Childress County, TX, Clay County, TX, Collingsworth County, TX, Cottle County, TX, Donley County, TX, Floyd County, TX, Foard County, TX, Gray County, TX, Hall County, TX, Hardeman County, TX, Hemphill County, TX, Hutchinson County, TX, Montague County, TX, Motley County, TX, Roberts County, TX, Wheeler County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Vance AFB radar (KVNX), 115 km from the middle of the area, began a volume at 07:45 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 7.7 hours before the alert went out and 184 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 913 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 1839 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 9:15 PM CDT | Mesoscale Discussion | SPC | Barber, Comanche, Harper, Kiowa | 60 min |
| Aug 10, 9:30 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Comanche, Harper, Kiowa | 7 hr |
| Aug 10, 10:16 PM CDT | Mesoscale Discussion | SPC | Finney, Gove, Grant, Gray, Haskell, Kearny and 10 more | 59 min |
| Aug 10, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Clark, Edwards, Finney, Ford, Grant and 17 more | 5 hr |
| Aug 10, 11:43 PM CDT | Mesoscale Discussion | SPC | Blaine, Canadian, Creek, Custer, Dewey, Garfield and 10 more | 62 min |
| Aug 11, 1:05 AM CDT | Severe Thunderstorm Watch | SPC | Atoka, Beckham, Blaine, Bryan, Caddo, Canadian and 34 more | 6 hr |
| Aug 11, 1:07 AM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Delaware, Haskell, LeFlore, McIntosh and 5 more | 113 min |
| Aug 11, 1:35 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Cherokee, Craig, Delaware, Haskell, LeFlore and 7 more | 5 hr |
| Aug 11, 5:23 AM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Blaine, Bryan, Caddo, Canadian and 43 more | 97 min |
| Aug 11, 6:49 AM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Coal, Haskell, Johnston and 7 more | 116 min |
| Aug 11, 12:22 PM CDT | Mesoscale Discussion | SPC | Cherokee, Gregg, Harrison, Marion, Nacogdoches, Panola and 2 more | 2 hr |
| Aug 11, 1:16 PM CDT | Mesoscale Discussion | SPC | Anderson, Austin, Bandera, Bastrop, Bell, Bexar and 44 more | 2 hr |
Nearby
Mesoscale Discussions in Oklahoma, 2004Mesoscale Discussions in Texas, 2004Mesoscale Discussions in Kansas, 2004Every mesoscale discussion in 2004
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.